CVE-2026-21721
HIGHGrafana Dashboard Permissions API - Privilege Escalation
Title source: llmExploitation Summary
EIP tracks 2 public exploits for CVE-2026-21721. PoCs published by XiaomingX, Leonideath.
AI-analyzed exploit summary This repository contains a functional Python exploit for CVE-2026-21721, which targets a privilege escalation vulnerability in Grafana. The exploit authenticates with valid credentials, reads dashboard permissions, and escalates the user's permissions to Admin (permission=4) on all dashboards.
Description
The dashboard permissions API does not verify the target dashboard scope and only checks the dashboards.permissions:* action. As a result, a user who has permission management rights on one dashboard can read and modify permissions on other dashboards. This is an organization‑internal privilege escalation.
Exploits (2)
This repository contains a functional Python exploit for CVE-2026-21721, which targets a privilege escalation vulnerability in Grafana. The exploit authenticates with valid credentials, reads dashboard permissions, and escalates the user's permissions to Admin (permission=4) on all dashboards.
This exploit PoC demonstrates a privilege escalation vulnerability in Grafana (CVE-2026-21721) by escalating an Editor account to Admin permissions on all dashboards. It authenticates, reads current permissions, and applies Admin (permission=4) to the attacker's user ID.
References (2)
Scores
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N